
1982
Act
Information
Official
the
under
Released
1 Recent highlights
Out of scope
1982
Act
Camera trial assesses forest canopy
DOC’s use of advanced high-definition
cameras – fitted to a fixed-wing aircraft – is
Information
proving to be a valuable tool in collecting
forest canopy data, an important measure of
overall forest health.
DOC Monitoring Science Advisor Terry
Greene says the cameras were trialled to
compare forest canopy health between two
adjacent tracts of land in the Papakai area of
Official the Coromandel Forest Park, totaling 2016
ha. One area had been treated with 1080 to
control possums, the other left untreated.
the
The evidence was stark, showing more than
eight times the amount of dead wood in the
untreated area compared to the predator-
control area.
The surveil ance work is important, as a
reduction of healthy forest canopy trees
under
means the wider forest is more susceptible to
disease and storm events which cause further
dieback and can ultimately lead to complete
collapse of the forest ecosystem.
Forest canopy monitoring is part of a broader
DOC programme to assess its predator
control work for the native species and forests
that it’s designed to protect.
Released
�: DOC